1、Designation:F258112Standard Specification forWrought Nitrogen Strengthened 11Manganese-17Chromium-3Molybdenum Low-Nickel Stainless Steel Alloy Bar and Wirefor Surgical Implants(UNS S29225)1This standard is issued under the fixed designation F2581;the number immediately following the designation indi
2、cates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers the chemical,mechanica
3、l,andmetallurgical requirements for wrought nitrogen strengthened11manganese-17chromium-3molybdenum low-nickel stainlesssteel alloy bar and wire for surgical implants.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system
4、 may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibili
5、ty of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Stainless SteelsA48
6、4/A484M Specification for General Requirements forStainless Steel Bars,Billets,and ForgingsA555/A555M Specification for General Requirements forStainless Steel Wire and Wire RodsA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsE8/E8M Test Methods for Tension Testin
7、g of Metallic Ma-terialsE10 Test Method for Brinell Hardness of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE45 Test Methods for Determining the Inclusion Content ofSt
8、eelE112 Test Methods for Determining Average Grain SizeE354 Test Methods for Chemical Analysis of High-Temperature,Electrical,Magnetic,and Other Similar Iron,Nickel,and Cobalt AlloysE407 Practice for Microetching Metals and AlloysF138 Specification for Wrought 18Chromium-14Nickel-2.5Molybdenum Stain
9、less Steel Bar and Wire for SurgicalImplants(UNS S31673)F746 Test Method for Pitting or Crevice Corrosion ofMetallic Surgical Implant MaterialsF748 Practice for Selecting Generic Biological Test Methodsfor Materials and DevicesF1314 Specification for Wrought Nitrogen Strengthened 22Chromium 13 Nicke
10、l 5 Manganese 2.5 MolybdenumStainless Steel Alloy Bar and Wire for Surgical Implants(UNS S20910)F1586 Specification for Wrought Nitrogen Strengthened21Chromium10Nickel3Manganese2.5Molybdenum Stainless Steel Alloy Bar for SurgicalImplants(UNS S31675)IEEE/ASTM SI 10 American National Standard for Metr
11、icPractice2.2 Aerospace Material Specification:3AMS 2248 Chemical Check Analysis Limits,Corrosion andHeat Resistant Steels and Alloys,Maraging and OtherHighly-Alloyed Steels,and Iron AlloysAMS 2630 Inspection,Ultrasonic Product over 0.5 Inch(12.7 mm)Thick2.3 ISO Standard:4ISO 6892 Metallic Materials
12、 Tensile Testing at AmbientTemperature1This specification is under the jurisdiction of ASTM Committee F04 onMedical and Surgical Materials and Devices and is the direct responsibility ofSubcommittee F04.12 on Metallurgical Materials.Current edition approved Oct.1,2012.Published October 2012.Original
13、lyapproved in 2007.Last previous edition approved in 2007 as F2581 07.DOI:10.1520/F2581-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary
14、 page onthe ASTM website.3Available from Society of Automotive Engineers(SAE),400 CommonwealthDr.,Warrendale,PA 15096-0001,http:/www.sae.org.4Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*A Summary of Changes section appears
15、at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 ISO 9001 Quality Management SystemsRequirements3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 barround,rectangular,or other complex shapedpr
16、oduct delivered straightened and cut to defined lengths,witha maximum cross-sectional area of 16 in.2103 cm2.3.1.2 fine wirewire with diameter or major dimension lessthan 0.063 in.1.6 mm.3.1.3 forging barbar as described in 3.1.1 used for pro-duction of forgings,may be furnished in the hot-rolled anddescaled condition.3.1.4 lotthe total number of mill products produced fromthe same melt heat under the same conditions at essentially thesame time.3.1.5 wirerounds,rectangular,or other complex shape
